Home / 31,318.46-46,859.97-21,976.70

Finding the Fourth Proportional to 31,318.46, 46,859.97 and 21,976.70

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Solution

The fourth proportional to 31,318.46, 46,859.97 and 21,976.70 is: 32,882.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,318.46 : 46,859.97 = 21,976.70 : x
  2. Step 2: Convert to fraction form
    31,318.46/46,859.97 = 21,976.70/x
  3. Step 3: Cross multiply
    31,318.46x = 46,859.97 × 21,976.70
  4. Step 4: Simplify right side
    31,318.46x = 1,029,827,268.40
  5. Step 5: Solve for x
    x = 1,029,827,268.40/31,318.46
  6. Step 6: Final answer
    x = 32,882.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.